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Up to 80% co-financing
Calls run separately by about 100 programmesAbout 100 EU cooperation programmes funding projects across borders, regions and sea basins
AI-generated cover illustration. Programme details are sourced separately below.
Dates come from the official programme and portal records shown below.
Recorded editorial check · yesterday (9 Nov 2026)
Interreg is the EU's cooperation policy: almost €10 billion for 2021-2027, shared between almost 100 programmes that fund projects involving partners from more than one country. Each programme runs its own calls, priorities and secretariat, so there is no single Interreg call.
It has four strands. Interreg A (cross-border, €6.5 billion) covers neighbouring border regions, with 49 programmes inside the EU plus programmes on the EU's external borders. Interreg B (transnational) runs 14 programmes across larger areas such as the Baltic Sea, Danube, Alpine Space and Atlantic Area. Interreg C (interregional, more than €550 million: Interreg Europe, Interact, URBACT and ESPON) connects regions across the whole EU. Interreg D covers the outermost regions.
Projects are co-financed: EU funding covers up to 80% at programme level and partners fund the rest. Companies, including SMEs, can join many programmes as project partners, and some programmes run calls aimed at SMEs or small projects.
Interreg is rarely the right first grant for a startup.
Find the programmes covering your region on the Commission's Interreg map or keep.eu.
Read that programme's priorities, call calendar and partner rules.
Join or build a cross-border partnership; programme secretariats offer partner search and pre-submission advice.
Submit through the programme's own system (many use Jems), following its one- or two-step procedure.
Usually as a partner in a cross-border or transnational project, not alone. Some programmes have SME-focused or small-project calls. Check the programme covering your region.
EU co-financing can reach 80% at programme level under Regulation (EU) 2021/1059; partners fund the remainder. Individual programmes may set lower rates.
On each programme's own website. The Commission's Interreg pages and keep.eu list the programmes, projects and partners.
Almost €10 billion, shared between almost 100 programmes; €6.5 billion goes to cross-border cooperation (Interreg A).
Programme facts, dates and figures checked against the official sources on 2026-11-09.
Research updated: 2026-11-09
Official call documents take precedence. A listed reference is not necessarily indexed in full by the AI.
Read the complete text reference →
Consortium grantNormally €2M–€10M per consortium
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Environment & climate grantsCo-funded demonstration grants
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EU research programmeCall-specific grants
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Digital deployment grantsCall-specific co-funded grants
View programme →A free EUACC account connects ChatGPT, Claude or Gemini to every EU programme, open call and deadline we track. Weekly call alerts are free too.
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Illustrated walkthrough
https://www.euacc.ai/api/mcpWorks on every Claude plan, including Free (one custom connector). On Team and Enterprise, an Owner adds it.
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Use EUACC to explore “Interreg” (https://www.euacc.ai/programmes/interreg). Does this programme fit my startup, and what should I check before applying? Cite the available sources and flag missing or outdated information.